Write a program in C++ to overload the binary operator “+” (addition)

Assignment 26

Write a program in C++ to overload the binary operator “+” (addition).

Program Code for run:                       

#include <iostream>

#include <iomanip>

using namespace std;

class Box

{

            int l, w, h;

public:

            Box (int l = 0, int w = 0, int h = 0)

            {

                        this->l = l;

                        this->w = w;

                        this->h = h;

            }

            void operator+( Box b)

            {

                        Box b1;

                        b1.l = this->l + b.l;

                        b1.w = this->w + b.w;

                        b1.h = this->h + b.h;

   

              cout << "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ";

              cout << endl;

              cout << " \t   Addition of Box " << endl;

              cout << "      Using + Operator overload " << endl;

              cout << "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ";

              cout <<endl;

              cout << " \t \t      B   O   X " << endl;

              cout << " - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ";

              cout << endl;

              cout << " \t "<< setw(6) << " Length: ";

              cout << " \t "<< setw(6) << " Width: ";

              cout << " \t "<< setw(6) << " Height: " << endl;

 

              cout << "  T1";

              cout << " \t "<< setw(6) << this->l ;

              cout << " \t "<< setw(6) << this->w ;

              cout << " \t "<< setw(6) << this->h << endl;

 

              cout << "  +  " << endl;

 

              cout << "  T2";

              cout << " \t "<< setw(6) << b.l ;

              cout << " \t "<< setw(6) << b.w ;

              cout << " \t "<< setw(6) << b.h << endl;

 

              cout << " - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ";

              cout << endl;

 

              cout << "Result";

              cout << " \t " << setw(6) << b1.l ;

              cout << " \t "<< setw(6) << b1.w ;

              cout << " \t "<< setw(6) << b1.h << endl;

              cout << "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ";

              cout << endl;

           }

};

int main ()

{

  Box b;

  int l, w, h;

  cout << "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *" << endl;

  cout << " \t \t Accept Box " << endl;

  cout << "    Box Parameters: Length, Width and Height" << endl;

  cout << "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *" << endl;

  cout << " \t Accept Box Parameters for Box 1 " << endl;

  cout << "    Box Parameters: Length, Width and Height" << endl;

  cout << "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *" << endl;

  cout << " \t Accept Length for Box B1 " << endl << " \t ";

  cin >> l;

  cout << " \t Accept Width for Box B1 " << endl << " \t ";

  cin >> w;

  cout << " \t Accept Height for Box B1 " << endl << " \t ";

  cin >> h;

  Box b1 (l, w, h);

  cout << "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *" << endl;

  cout << " \t Accept Box Parameters for Box 2 " << endl;

  cout << "    Box Parameters: Length, Width and Height" << endl;

  cout << "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *" << endl;

  cout << " \t Accept Length for Box B2 " << endl << " \t ";

  cin >> l;

  cout << " \t Accept Width for Box B2 " << endl << " \t ";

  cin >> w;

  cout << " \t Accept Height for Box B2 " << endl << " \t ";

  cin >> h;

  Box b2 (l, w, h);

  cout << "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *" << endl;

  b1 + b2;

  return 0;

}

Output of Program:

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

                         Accept Box

    Box Parameters: Length, Width and Height

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

             Accept Box Parameters for Box 1

    Box Parameters: Length, Width and Height

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

             Accept Length for Box B1

             1

             Accept Width for Box B1

             2

             Accept Height for Box B1

             3

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

             Accept Box Parameters for Box 2

    Box Parameters: Length, Width and Height

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

             Accept Length for Box B2

             3

             Accept Width for Box B2

             2

             Accept Height for Box B2

             1

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

               Addition of Box

      Using + Operator overload

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

                              B   O   X

 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

              Length:  Width:  Height:

      T1           1            2            3

       + 

      T2           3            2            1

 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Result           4            4            4

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * *